find the volume of a regular polygon inscribed in a triangular prism in php

main.php
<?php

// Define the number of sides of the inscribed regular polygon.
$numSides = 6;

// Define the height of the triangular prism.
$height = 10;

// Define the length of the base of the triangular prism.
$base = 8;

// Define the radius of the circumscribed circle of the inscribed regular polygon.
$radius = $base / (2 * sin(pi()/$numSides));

// Calculate the apothem of the regular polygon.
$apothem = $radius * cos(pi()/$numSides);

// Calculate the area of the regular polygon.
$area = 0.5 * $numSides * $radius * $apothem;

// Calculate the volume of the inscribed polygon.
$volume = $area * $height;

// Print the result.
echo "The volume of the inscribed regular polygon is: " . $volume;

?>
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